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Fort Sill in Comanche County, Oklahoma — The American South (West South Central)
 

German 250mm Heavy Mine Projector (old model)

250cm Schwere Minenwerfer 16 Alter/Art

 
 
German 250mm Heavy Mine Projector (old model) Marker image. Click for full size.
Photographed By James Hulse, September 9, 2021
1. German 250mm Heavy Mine Projector (old model) Marker
Inscription.  The 250mm Heavy Mine Projector was the largest of three highly mobile German trench mortars used in World War I. The German Army learned the value of these short range mortars from the Russo-Japanese War of 1904-05. During the war, the Japanese used improvised weapons to launch demolition charges onto Russian fortifications. By 1910, German engineer troops had their first Minenwerfer. The 25cm Schwere Minenwerfer A/A was a rifled, muzzle loading, short range artillery piece designed for use in the static warfare conditions that prevailed during WW I. The mortar was emplaced in a 4ft 11in (1.5 meter) pit to conceal and protect it and the crew. The design of the 250mm Heavy Mortar was conventional with a hydro-spring recoil-recuperator system. The 4 propellant charges were in disk form and could be added or deleted for adjusting range. The propellant was ignited by a friction primer. In transport, the piece could be drawn in one piece by 4 men in bricoles for short distances, or if necessary, carried by 21 men. For longer distances it would have been transported on a wagon.

Caliber - 9.8in. - 250 mm
Weight - 1,690 lbs. - 768
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Range - 585 to 1,050 yds. - 540 to 970 m
Shell Weight - 213 lbs. - 97 kg
Muzzle Velocity - 219 ft/sec. - 66 m/sec.
Elevation - 45 to 75 degrees - 800 to 1333 mils
Traverse - 24 degrees - 427 mils
Rate of Fire - 2 rpm
CCN# 127026
 
Erected by U.S. Army Field Artillery Museum. (Marker Number 81.)
 
Topics. This historical marker is listed in this topic list: War, World I. A significant historical year for this entry is 1910.
 
Location. 34° 39.989′ N, 98° 23.052′ W. Marker is in Fort Sill, Oklahoma, in Comanche County. Marker is at the intersection of Corral Road and Randolph Road, on the right when traveling west on Corral Road. The marker is located in the eastern section of Artillery Park at the U.S. Army Field Artillery Museum. Touch for map. Marker is in this post office area: Fort Sill OK 73503, United States of America. Touch for directions.
 
Other nearby markers. At least 8 other markers are within walking distance of this marker. German 170mm Medium Mine Projector, M1916 (Old Pattern) (here, next to this marker); French M1917 150mm Trench Mortar (here, next to this marker); German M1916 77mm Light Field Gun (a few steps from this marker); German 100mm Gun, M1917 (a few steps from this marker); German 15cm Rocket Launcher 41 (a few steps from this marker); Soviet M1939 76.2mm Field Gun (a few steps from
The main view of the German 250mm Heavy Mine Projector (old model) and Marker image. Click for full size.
Photographed By James Hulse, September 9, 2021
2. The main view of the German 250mm Heavy Mine Projector (old model) and Marker
this marker); Austro-Hungarian 76.5mm Field Gun, M1917 (a few steps from this marker); Austro-Hungarian 100mm Light Field Howitzer M1914/17 (a few steps from this marker). Touch for a list and map of all markers in Fort Sill.
 
More about this marker. Marker and Museum are located on Fort Sill, an active U.S. military installation. The museum is open to the public, but appropriate identification is required for access for Fort Sill.
 
Also see . . .  U.S. Army Field Artillery Museum. (Submitted on March 6, 2022, by James Hulse of Medina, Texas.)
 
 
Credits. This page was last revised on March 6, 2022. It was originally submitted on March 6, 2022, by James Hulse of Medina, Texas. This page has been viewed 116 times since then and 19 times this year. Photos:   1, 2. submitted on March 6, 2022, by James Hulse of Medina, Texas.

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Jun. 8, 2023